Green and safe
Battery Model: 3.7V 502030 250mAh
Nominal Voltage: 3.7V
Nominal Capacity: 250mAh (0.2C discharge)
Dimensions: Thickness 5.0 mm × Width 20 mm × Length 30.0 mm (max)
Initial Internal Resistance: ≤200 mΩ
Charge Cut-off Voltage: 4.2V
Discharge Cut-off Voltage: 3.0V
Standard Charging Method:
At 23℃ ± 2℃, charge at 0.2C in constant current (CC) mode to 4.35V, then charge in constant voltage (CV) mode at 4.35V until the charging current decreases to ≤0.02C
Charging Current:
-
Standard charging: 0.2C
-
Fast charging: 0.5C
Charging Time:
-
Standard charging: 5.5 ~ 6.5 hours
-
Fast charging: 1.5 ~ 2.5 hours
Maximum Charging Current: 0.5C (10℃ ~ 45℃)
Standard Discharge Current:
Constant current 0.2C at -10℃ ~ 55℃, discharge cut-off voltage 3.0V
Maximum Discharge Current: 2C
Operating Temperature:
-
Charging: 10℃ ~ 45℃, max 85% RH
-
Discharging: -10℃ ~ 55℃, max 85% RH
Lithium Battery Protection:
Overcharge protection, over-discharge protection, overcurrent protection, short-circuit protection, etc.
Battery Features:
High safety, long cycle life
Applications:
Beauty devices, facial massagers, eye massagers, facial shaping devices
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